Elvis Presley is credited with being rock 'n' roll's most powerful performer. His success began with his recording of the blues song That's All Right, Mama. It won considerable attention and a recording contract for Presley.  Subsequent recording became instant hits:  Heartbreak Hotel, Hound Dog, Don't Be Cruel, Love Me Tender, and All Shook Up.  He made personal appearances and 33 films that drew huge audiences.